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JS实现图片滚动（无缝、平滑、上下左右滚动）效果

2013-09-04 19:13 1121 查看

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>JS图片滚动（无缝、平滑、上下左右滚动）效果</title>

<style type="text/css">

ul { list-style: none outside none; margin: 0; padding: 0; }

ul li img { border: medium none; display: block; }

#colee, #colee_bottom { float: left; margin-bottom: 24px; margin-right: 24px; }

#colee_left { clear: left; margin-bottom: 24px; }

#colee, #colee_bottom { height: 249px; overflow: hidden; width: 75px; }

#colee ul li, #colee_bottom ul li { margin-bottom: 12px; }

#colee_left, #colee_right { overflow: hidden; width: 510px; }

#colee_left ul, #colee_right ul { overflow: hidden; width: 783px; }

#colee_left ul li, #colee_right ul li { display: inline; float: left; margin-right: 12px; }

</style>

</head>

<body>



<div id="colee">

<div id="colee1">

    <ul>

      <li><a href="#"><img src="http://farm1.static.flickr.com/66/199481236_dc98b5abb3_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/75/199481072_b4a0d09597_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/57/199481087_33ae73a8de_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/77/199481108_4359e6b971_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/58/199481143_3c148d9dd3_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/72/199481203_ad4cdcf109_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/58/199481218_264ce20da0_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/69/199481255_fdfe885f87_s.jpg" width="75" height="75" alt="" /></a></li>

      <li><a href="#"><img src="http://farm1.static.flickr.com/60/199480111_87d4cb3e38_s.jpg" width="75" height="75" alt="" /></a></li>

    </ul>

</div>

<div id="colee2"></div>

</div>

<script type="text/javascript">

    var speed = 30;

    var colee2 = document.getElementById("colee2");

    var colee1 = document.getElementById("colee1");

    var colee = document.getElementById("colee");

    colee2.innerHTML = colee1.innerHTML; //克隆colee1为colee2

    function Marquee1() {

        //当滚动至colee1与colee2交界时

        if (colee2.offsetTop - colee.scrollTop <= 0) {

            colee.scrollTop -= colee1.offsetHeight; //colee跳到最顶端

        } else {

            colee.scrollTop++;

        }

    }

    var MyMar1 = setInterval(Marquee1, speed); //设置定时器

    //鼠标移上时清除定时器达到滚动停止的目的

    colee.onmouseover = function() {

        clearInterval(MyMar1);

    }

    //鼠标移开时重设定时器

    colee.onmouseout = function() {

        MyMar1 = setInterval(Marquee1, speed);

    }

</script>





<script type="text/javascript">

    var speed = 30;

    var colee_bottom2 = document.getElementById("colee_bottom2");

    var colee_bottom1 = document.getElementById("colee_bottom1");

    var colee_bottom = document.getElementById("colee_bottom");

    colee_bottom2.innerHTML = colee_bottom1.innerHTML;

    colee_bottom.scrollTop = colee_bottom.scrollHeight;

    function Marquee2() {

        if (colee_bottom1.offsetTop - colee_bottom.scrollTop >= 0) {

            colee_bottom.scrollTop += colee_bottom2.offsetHeight;

        } else {

            colee_bottom.scrollTop--;

        }

    }

    var MyMar2 = setInterval(Marquee2, speed);

   colee_bottom.onmouseover = function() {

        clearInterval(MyMar2);

    }

    colee_bottom.onmouseout = function() {

        MyMar2 = setInterval(Marquee2, speed);

    }

</script>





<script type="text/javascript">

    //使用div时，请保证colee_left2与colee_left1是在同一行上.

    var speed = 30; //速度数值越大速度越慢

    var colee_left2 = document.getElementById("colee_left2");

    var colee_left1 = document.getElementById("colee_left1");

    var colee_left = document.getElementById("colee_left");

    colee_left2.innerHTML = colee_left1.innerHTML;

    function Marquee3() {

        if (colee_left2.offsetWidth - colee_left.scrollLeft <= 0) { //offsetWidth 是对象的可见宽度

            colee_left.scrollLeft -= colee_left1.offsetWidth; //scrollWidth 是对象的实际内容的宽，不包边线宽度

        } else {

            colee_left.scrollLeft++;

        }

    }

    var MyMar3 = setInterval(Marquee3, speed);

    colee_left.onmouseover = function() {

        clearInterval(MyMar3);

    }

    colee_left.onmouseout = function() {

        MyMar3 = setInterval(Marquee3, speed);

    }

</script>





<script type="text/javascript">

    var speed = 30; //速度数值越大速度越慢

    var colee_right2 = document.getElementById("colee_right2");

    var colee_right1 = document.getElementById("colee_right1");

    var colee_right = document.getElementById("colee_right");

    colee_right2.innerHTML = colee_right1.innerHTML;

    function Marquee4() {

        if (colee_right.scrollLeft <= 0) {

            colee_right.scrollLeft += colee_right2.offsetWidth;

        } else {

            colee_right.scrollLeft--;

        }

    }

    var MyMar4 = setInterval(Marquee4, speed);

    colee_right.onmouseover = function() {

        clearInterval(MyMar4);

    }

    colee_right.onmouseout = function() {

        MyMar4 = setInterval(Marquee4, speed);

    }

</script>



</body>

</html>

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